Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South.
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Last Update: 903 PM CST Fri Jan 18 2019

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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...
Rest Of Tonight
Northeast winds 20 to 25 kt increasing to 30 kt. Snow. Waves 3 to 6 ft building to 5 to 8 ft occasionally to 10 ft.
Saturday
Northeast winds to 30 kt with occasional gales to 35 kt. Freezing spray. Snow. Waves 7 to 10 ft occasionally to 13 ft.
Saturday Night
North winds to 30 kt with occasional gales to 35 kt until midnight. Freezing spray through the night. Snow showers likely in the evening. Snow showers after midnight. Waves 7 to 10 ft occasionally to 13 ft.
Sunday
North winds 10 to 20 kt. Freezing spray through the day. Snow showers in the morning. Chance of snow showers in the afternoon. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft in the afternoon.
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ABOUT THIS FORECAST

Last Update: 903 PM CST Fri Jan 18 2019
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